Engler, B. (1985). Personality theories: An introduction (2ª ed.). Houghton Mifflin.
Chicago Style (17th ed.) CitationEngler, Barbara. Personality Theories: An Introduction. 2ª ed. Houghton Mifflin, 1985.
MLA (9th ed.) CitationEngler, Barbara. Personality Theories: An Introduction. 2ª ed. Houghton Mifflin, 1985.
Warning: These citations may not always be 100% accurate.